Merge tag 'gvt-fixes-2021-08-10' of https://github.com/intel/gvt-linux into drm-intel-fixes

gvt-fixes-2021-08-10

- Fix windows VM hang issue for atomics workaround (Zhenyu)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210810050133.GO13928@zhen-hp.sh.intel.com

drivers/gpu/drm/i915/gvt/handlers.c

@@ -3149,6 +3149,7 @@ static int init_bdw_mmio_info(struct intel_gvt *gvt)
 	MMIO_DFH(_MMIO(0xb100), D_BDW, F_CMD_ACCESS, NULL, NULL);
 	MMIO_DFH(_MMIO(0xb10c), D_BDW, F_CMD_ACCESS, NULL, NULL);
 	MMIO_D(_MMIO(0xb110), D_BDW);
+	MMIO_D(GEN9_SCRATCH_LNCF1, D_BDW_PLUS);
 
 	MMIO_F(_MMIO(0x24d0), 48, F_CMD_ACCESS | F_CMD_WRITE_PATCH, 0, 0,
 		D_BDW_PLUS, NULL, force_nonpriv_write);

drivers/gpu/drm/i915/gvt/mmio_context.c

@@ -105,6 +105,8 @@ static struct engine_mmio gen9_engine_mmio_list[] __cacheline_aligned = {
 	{RCS0, COMMON_SLICE_CHICKEN2, 0xffff, true}, /* 0x7014 */
 	{RCS0, GEN9_CS_DEBUG_MODE1, 0xffff, false}, /* 0x20ec */
 	{RCS0, GEN8_L3SQCREG4, 0, false}, /* 0xb118 */
+	{RCS0, GEN9_SCRATCH1, 0, false}, /* 0xb11c */
+	{RCS0, GEN9_SCRATCH_LNCF1, 0, false}, /* 0xb008 */
 	{RCS0, GEN7_HALF_SLICE_CHICKEN1, 0xffff, true}, /* 0xe100 */
 	{RCS0, HALF_SLICE_CHICKEN2, 0xffff, true}, /* 0xe180 */
 	{RCS0, HALF_SLICE_CHICKEN3, 0xffff, true}, /* 0xe184 */